.button-box {
    margin: 0px;
    padding: 0px;
    list-style-type: none;
    display: flex;
    justify-content: space-evenly;
    align-items: center;
    height: 100%;

    li {
        border-radius: 2px;
        cursor: pointer;
        display: inline-block;
        box-sizing: border-box;

        .tools-icon {
            &:hover {
                animation: changeColor 1s infinite;
            }

        }

        @keyframes changeColor {
            0% {
                filter: hue-rotate(0deg);
            }

            100% {
                filter: hue-rotate(360deg);
            }
        }
    }
}